which utilitize RAM more efficiently, a typical AMD CPU/Motherboard or a typical Intel CPU/Motherboard?

Question

I`ve heard that with Intel Mobo/CPU, DDR3 1600 is not really better than 1033, is it the same with AMD Mobo/CPU?

FSB makes calculations easier when it comes to intel
how do I calculate how much RAM bus speed I can utilitize with AMD CPU/Mobos?

Answer 1

Let me simplify this question. In terms of compatibility with DDR3, only the x58 boards are triple channel motherboards. All the AMD AM3 boards are dual channel with DDR3 compatibility... Triple channel is the only way DDR3 is better than DDR2, other than that the latency speeds of the DDR3 are way slower until you get into the DDR3 that has latency speeds of 5 which runs about $500 for a 4gig kit... You can get DDR2 with latency speeds of 4 for $100 or less...

So to answer your question, Intel is using ram better at the moment better than AMD...

Now for your other question, 1600 is better only when overclocking. When you overclock you change the rate that your CPU can utalize your memory. So when you overthrottle your ram by overclocking your CPU, you have to dethrottle your ram in bios to run at the rams stock settings, or at least close to stock... In other words when you overclock in bios, then look at your ram speed, if you are using DDR2 1066 ram and you see the ram speed throttle up to 1243, you need to back off the ram speed back down to something closer to 1066mhz... If you are using DDR3 1600 then you can let the ram throttle itself up to the 1600mhz limit without backing off. By using the 1600mhz, you are giving your CPU more overclocking head room.

Now some ram can withstand an overclock where the ram speed is raised above stock speeds, but hardly any ram will allow very much more than it is rated at... Heat and voltage limits prohibit most ram from doing so... I hope this helped and good luck choosing a system. I used to be a big AMD fan, but they are always late to the table with technology, and their prices aren't very much cheaper nowdays than the Intel CPU's and also the AMD motherboards have reached the same price as the good Intel motherboards as well, excepting the x58, but you are paying a little more for the triple channel ram and a new processor socket...

Answer 2

The problem in the past has been that DDR2 memory outpaces the FSB bandwidth of the CPU. This is why it's said that the difference between DDR2 and DDR3 is negligible, and therefore not worth the price. Your RAM could be 8000MHz instead of 800MHz, but it won't help you if your FSB is only capable of a 10.6GB/s transfer rate which is already exceeded by 800MHz DDR2 RAM.



Now along comes Core i7. Instead of using an FSB, it has an integrated memory controller. Thus it is able to accomodate DDR3 transfer rates.



However, while synthetic benchmarks testing RAM bandwidth show huge gains using DDR3 with the Core i7, real world performance is largely unaffected. In some applications the reason is obvious. For instance, in gaming. Games are GPU dependent and rely on their own memory rather than the CPU and system memory. You wouldn't expect faster system memory to have much of an impact on gaming performance (and it doesn't).



One possible explanation is the memory timing. DDR3 is clocked higher, but the latency is also higher. Basically, when information is stored in the memory, latency is the amount of time (in cycles) required to locate the information so that it can be read or written to.



So, for example, the transfer rate between the CPU and RAM may be three times what was possible in a Core 2 CPU using DDR2, but because the latency is significantly higher, the actual amount of information transferred is effectively limited.



A synthetic benchmark testing the data transfer rate to the CPU would show that the DDR3 is MUCH faster than DDR2, unlike in tests with the Core 2 where it was limited by the FSB. However, it would not show the bottleneck due to latency at the RAM itself unless the test were designed to test latency (access time).



I suspect this may be only part of the picture. I honestly can't fully explain why DDR3 doesn't show great gains in performance as you might expect it to.



As for which CPU handles memory better? The Core i7 wins the comparison. But again, it's hard to make the claim that this contributes significantly to the i7's performance (which is superior to Phenom II).

Answer 3

I'm guessing you're talking about the phenom and the i7 because 1600 and 1333 are both ddr3 speeds. If this is the case, go with Intel because the i7 works better with ddr3 better than the phenom.

Answer 4

ok it also depends on what you are using the board for



amd is alot better for gaming than intel but intel has its plus side as well



a comparable intel and amd cpu i would pick the amd for faster response but intel is more durable in my opinion



now 1600 is not that much faster than 1033 but it will also depend on what you have like 1024 compared to 512 ram



but the fsb is very important as far as computer speed and performance is concerned

Answer 5

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Answer 6

Depends on the quality of your software..and the compatibility of your hardware..

The Intel Brand of technology has better techology((built in))..

I think that other brands are more..ADD ON related..they tend to cater to a after market of entepreneurs..

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There's definitly a differance..

I only use Intel..[end]

Answer 7

Read the documentation with the motherboard.